package com.designpattern.firstchapter;

import com.designpattern.firstchapter.inter.QuackBehavior;

public  class SimUDuck {
	
	
	QuackBehavior quackBehavior;
	
	public void performQuack() {
		quackBehavior.quack();
	}
	
	public void performFly() {
		
	}
	
	public  void display() {
		
	}

}
